Next week, Sony will unveil the PlayStation 4, and it's not just Sony that needs it to be a hit. After a soft sales start for Nintendo's Wii U, and Microsoft's risky plan for the Xbox 720, the whole gaming world should be rooting for the PS4.

Nintendo has sold 400,000 Wii U consoles since the system's Nov. 18 launch, plus another 300,000 original Wii units last week. But Microsoft is still the gaming king: Its Xbox 360 outsold both systems combined, moving 750,000 consoles during the Black Friday holiday weekend.

In the latest move in a months-long battle between Japanese pachinko tycoon Kazuo Okada and American casino owner Steve Wynn, Okada has filed a $140 million lawsuit against Wynn, claiming that the actions of his former friend and business partner damaged his company, Universal Entertainment.

It's time to begin tossing around the virtual pigskin again. Electronic Arts' Madden NFL 13 hit stores on Tuesday. In an industry that has suffered three years of brutal declines, its a rare cause for a celebration -- and the industry doesn't want you to forget it.

If you thought Vegas was where the big gamblers went to play, you're behind the times. Sin City has been blown past by another exotic destination once infamous for corruption and mob activity. But you probably won't be heading there to play baccarat any time soon.

Next week will bring Wall Street headlines about retail earnings and newly public Chinese firms, as well as quarterly reports from News Corp., SodaStream, Activision Blizzard, Electronic Arts and Take-Two Interactive.

Las Vegas Sands benefits from being more geographically diversified than its major competitors. With a casino resort presence that spans the U.S., Macau and Singapore, LVS is a strong player that can ride out local downturns, and Trefis thinks its stock is undervalued by 10% to 15%.